Using CC(C)(C)OC(=O)N1CC=C(c2ccn3c(-c4ccnc(-c5ccccc5)c4)cnc3c2)CC1 to produce C1=C(c2ccn3c(-c4ccnc(-c5ccccc5)c4)cnc3c2)CCNC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.