Using COc1ccc(C(O)CNCCc2ccc(OC)c(OC)c2Cl)cc1 to produce COc1ccc(C2CNCCc3c2cc(OC)c(OC)c3Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.