Using CCOC(=O)c1ccc(OCCc2cccc(C)c2)c(OC(C)=O)c1 to produce COC(=O)c1ccc(OCCc2cccc(C)c2)c(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.