Using COC(=O)c1ccccc1NC(=O)C1=Cc2cc(OC)c(OC)cc2CC1 to produce COc1cc2c(cc1OC)CCC(C(=O)Nc1ccccc1C(=O)O)=C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.