Using CN(C)CCBr, Nc1cccc(-c2cc3[nH]c(=O)c4ccccc4n3n2)c1 to produce CN(C)CCNc1cccc(-c2cc3[nH]c(=O)c4ccccc4n3n2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.