Using Clc1nc(N2CCC(COCCN3CCCC3)CC2)c2c(-c3ccccc3)csc2n1, [N-]=[N+]=[N-] to produce Nc1nc(N2CCC(COCCN3CCCC3)CC2)c2c(-c3ccccc3)csc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.