Using COc1c(I)cc2ccccc2c1-c1c(OC)c(I)cc2ccccc12, [Li]CCCC to produce COc1c(C)cc2ccccc2c1-c1c(OC)c(I)cc2ccccc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.