Using NC(=O)C[C@H](N)C(=O)O, O=C(O)c1ccc2ccccc2n1 to produce NC(=O)C[C@H](NC(=O)c1ccc2ccccc2n1)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.