Using N=C(N)NCCC[C@H](NC(=O)CCSC(=O)c1ccccc1)C(=O)O to produce N=C(N)NCCC[C@H](NC(=O)CCS)C(=O)O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.