Using COc1c(Br)cc(C(Br)C(Br)c2ccncc2)c2c1OC1(CCCC1)C2 to produce COc1c(Br)cc(C#Cc2ccncc2)c2c1OC1(CCCC1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.