Using COc1ccc(C(=O)CN(Cc2ccccc2)Cc2cccc(OC)c2)cc1 to produce COc1ccc(C(O)CN(Cc2ccccc2)Cc2cccc(OC)c2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.