Using COC(=O)[C@H](CCCCNC(=O)c1ccc(N=[N+]=[N-])cc1)n1c2ccccc2c2ccccc21 to produce [N-]=[N+]=Nc1ccc(C(=O)NCCCC[C@@H](C(=O)O)n2c3ccccc3c3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.