Using CCCN(CC1CC1)c1cc(C(=O)Nc2ccc3[nH]ncc3c2)ncn1, NC(=O)CBr to produce CCCN(CC1CC1)c1cc(C(=O)Nc2ccc3c(cnn3CC(N)=O)c2)ncn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.