Using COC(=O)[C@@H](N)Cc1c[nH]cn1, O=C(O)C(CC(=O)N1CCOCC1)Cc1cccc2ccccc12 to produce COC(=O)[C@H](Cc1c[nH]cn1)NC(=O)C(CC(=O)N1CCOCC1)Cc1cccc2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.