Using Cc1cc(C)n2cc(/C=C/c3nc(-c4cccs4)cn3C)nc2n1 to produce Cc1cc(C)n2cc(CCc3nc(-c4cccs4)cn3C)nc2n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.