Using O=c1[nH]ncc2c(Br)cccc12, OCCc1ccc2ccccc2n1 to produce O=c1c2cccc(Br)c2cnn1CCc1ccc2ccccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.