Using CCOC(C)=O, COc1ccc(Nc2ccc(OCc3ccccc3)cc2)c(C(=O)O)c1 to produce COc1ccc(Nc2ccc(OCc3ccccc3)cc2)c(C(C)=O)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.