Using CC(=O)OCC1=C(C(=O)O)N2C(=O)C(NC(=O)Cc3csc(=O)s3)C2SC1, Cc1n[nH]c(=S)s1 to produce Cc1nnc(SCC2=C(C(=O)O)N3C(=O)C(NC(=O)Cc4csc(=O)s4)C3SC2)s1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.