Using CCOC(=O)C1(c2ccc(CCl)s2)CC=CC1, CCc1nc2nc(C)cc(C)c2[nH]1 to produce CCOC(=O)C1(c2ccc(Cn3c(CC)nc4c(C)cc(C)nc43)s2)CC=CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.