Using C=Cc1cc(-c2nnn[nH]2)n(-c2ccc(Cn3c(CCC)nc4c(C)ccnc43)cc2)c1 to produce CCCc1nc2c(C)ccnc2n1Cc1ccc(-n2cc(CC)cc2-c2nnn[nH]2)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.