Using CCOC(=O)c1ccc(Cl)nc1, CC(C)(C)OC(=O)N1CC2=C(CNC2)C1 to produce CCOC(=O)c1ccc(N2CC3=C(CN(C(=O)OC(C)(C)C)C3)C2)nc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.