Using COC(=O)[C@@H](N)CCCNC(=N)N, COc1ccc(N=NC(=O)N[C@@H](Cc2ccccc2)C(=O)O)cc1 to produce COc1ccc(N=NC(=O)N[C@@H](Cc2ccccc2)C(=O)N[C@@H](CCCNC(=N)N)C(=O)O)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.