Using COC(=O)CCCCCCN(Cc1ccc(-n2ccnc2)cc1)S(=O)(=O)c1ccccn1 to produce O=C(O)CCCCCCN(Cc1ccc(-n2ccnc2)cc1)S(=O)(=O)c1ccccn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.