Using CC(C)C[C@@H](C(=O)NN1C(=O)C2CNCCN2C1=O)[C@H](C/C=C/c1ccccc1)C(=O)O, C=O to produce CC(C)C[C@@H](C(=O)NN1C(=O)C2CN(C)CCN2C1=O)[C@H](C/C=C/c1ccccc1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.