Using Cc1ccc(-c2c[nH]c(/C=C/c3nc4cccc(C)n4n3)n2)o1 to produce Cc1ccc(-c2c[nH]c(CCc3nc4cccc(C)n4n3)n2)o1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.