Using CCOC(=O)Cc1ccc(NC(=O)c2cc(OCc3cccc(Cl)c3)ccc2Cl)c(Cl)c1 to produce O=C(O)Cc1ccc(NC(=O)c2cc(OCc3cccc(Cl)c3)ccc2Cl)c(Cl)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.