Using C/C=C/C(=O)OC, CC(C)(C)OC(=O)c1ccc(C=O)s1 to produce COC(=O)CCCCc1ccc(C(=O)OC(C)(C)C)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.