Using COC(=O)Nc1nc(OC)nc(OC)n1, NS(=O)(=O)c1ccccc1S(=O)(=O)N1CCC1 to produce COc1nc(NC(=O)NS(=O)(=O)c2ccccc2S(=O)(=O)N2CCC2)nc(OC)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.