Using O=Cc1ccccc1, COC(=O)[C@@H](N)Cc1c[nH]cn1 to produce COC(=O)[C@H](Cc1c[nH]cn1)N=Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.