Using O=C1CCCc2[nH]c3c(Cl)cccc3c21, BrCc1ccccc1 to produce O=C1CCCc2c1c1cccc(Cl)c1n2Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.