Using O=C1CC(=CN2CCOCC2)Oc2c(O)cccc21, BrCc1ccccc1 to produce O=C1CC(=CN2CCOCC2)Oc2c(OCc3ccccc3)cccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.