Using NCCNc1ccccc1, O=C1CCC(Nc2ccc3[nH]ncc3c2)CC1 to produce CCCCCNC1CCC(Nc2ccc3[nH]ncc3c2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.