Using O=C(O)c1cccnc1Cl, CC(C)(C)OC(=O)NCc1ccc(CN)cc1 to produce CC(C)(C)OC(=O)NCc1ccc(CNC(=O)c2cccnc2Cl)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.