Using COc1nc2c(N)nc(OCCC3CC3)nc2[nH]1, BrCC1CCOCC1 to produce COc1nc2c(N)nc(OCCC3CC3)nc2n1CC1CCOCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.