Using CN(C)C=O, Cc1nc(Br)sc1CN1CCC2(C=Cc3ccccc32)CC1 to produce Cc1nc(C=O)sc1CN1CCC2(C=Cc3ccccc32)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.