Using COC(=O)[C@H](Cc1ccc2ncccc2c1)NC(=O)OC(C)(C)C to produce COC(=O)[C@H](Cc1ccc2c(c1)CCCN2)NC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.