Using O=C(n1ccnc1)n1ccnc1, CC(C)(CNC(=O)OCc1ccccc1)C(=O)O to produce CC(C)(CNC(=O)OCc1ccccc1)C(N)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.