Using O=CCN1C(=O)c2ccccc2C1=O, CC[C@H](C)[C@H](N)C(=O)OC(C)(C)C to produce CC[C@H](C)[C@H](NCCN1C(=O)c2ccccc2C1=O)C(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.