Using CN(C)C=O, OC1(c2cccnc2Br)CCN(Cc2ccccc2)CC1 to produce O=C1OC2(CCN(Cc3ccccc3)CC2)c2cccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.