Using O=C(CBr)c1ccncc1, C1=C(N2CCCC2)CCN(Cc2ccccc2)C1 to produce c1ccc(CN2CCc3[nH]c(-c4ccncc4)cc3C2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.