Using c1ccc2c(c1)Nc1ccccc1O2, O=Cc1ccc(OCCBr)cc1 to produce O=Cc1ccc(OCCN2c3ccccc3Oc3ccccc32)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.