Using Nc1nc(C=Cc2ccc(C(=O)Nc3ccccc3N)cc2)nc(N2CCCCC2)n1 to produce Nc1nc(CCc2ccc(C(=O)Nc3ccccc3N)cc2)nc(N2CCCCC2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.