Using Brc1ccc(C2CN(Cc3ccccc3)CCO2)cc1, O=CN1CCOCC1 to produce O=Cc1ccc(C2CN(Cc3ccccc3)CCO2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.