Using O=c1[nH]nc2ccc(Br)cn12, OCCc1ccc2ccccc2n1 to produce O=c1n(CCc2ccc3ccccc3n2)nc2ccc(Br)cn12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.