Using CCS(=O)(=O)[C@H]1[C@H](CCCN(C(=N)NC(=O)OCc2ccccc2)C(=O)OCc2ccccc2)C(=O)N1C(C)=O to produce CCS(=O)(=O)[C@H]1[C@H](CCCNC(=N)N)C(=O)N1C(C)=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.