Using COc1ccc(C2(CN)OCCO2)cc1, O=C(O)c1cc2cc(Cl)ncc2[nH]1 to produce COc1ccc(C2(CNC(=O)c3cc4cc(Cl)ncc4[nH]3)OCCO2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.