Using [Li]CCCC, COc1ccc(Cn2cc(C=O)c3c(Br)cccc32)cc1 to produce C=Cc1cn(Cc2ccc(OC)cc2)c2cccc(Br)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.