Using Brc1cccnc1, CCn1c2c(c3ccccc31)CC(C)NC2=O to produce CCn1c2c(c3ccccc31)CC(C)N(c1cccnc1)C2=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.