Using CC(C)(C)OC(=O)N[C@H](Cc1ccccc1)C(=O)N[C@@H](CCCNC(=O)OCc1ccccc1)C(=O)Sc1nc2ccccc2s1 to produce NCCC[C@H](NC(=O)[C@H](N)Cc1ccccc1)C(=O)Sc1nc2ccccc2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.