Using CCOC(=O)C(=CNC1CCN(C(=O)OC)C1)C(=O)c1cccnc1Cl to produce CCOC(=O)c1cn(C2CCN(C(=O)OC)C2)c2ncccc2c1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.