Using CCCCCC(=O)O[C@]1(C(C)=O)CC[C@H]2[C@@H]3CCC4=CC(=O)CC[C@]4(COC(C)=O)[C@H]3CC[C@@]21C, COCOC to produce C=C1C[C@@H]2[C@H](CC[C@@]3(C)[C@H]2CC[C@]3(OC(=O)CCCCC)C(C)=O)[C@@]2(COC(C)=O)CCC(=O)C=C12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.