Using COc1ccc(C(C)(O)Cn2c3c(c4cc(C)ccc42)CN(C)CC3)cc1 to produce C/C(=C\n1c2c(c3cc(C)ccc31)CN(C)CC2)c1ccc(O)cc1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.