Using O=C(N[C@@H](Cc1ccccc1)C(=O)O)c1cnccn1, COC(=O)[C@@H](N)Cc1ccccc1 to produce COC(=O)[C@H](Cc1ccccc1)NC(=O)[C@H](Cc1ccccc1)NC(=O)c1cnccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.