Using S=C(n1ccnc1)n1ccnc1, CC(C)(C)OC(=O)N1CCCC(C(O)c2nc3ccccc3s2)C1 to produce CC(C)(C)OC(=O)N1CCCC(C(OC(=S)n2ccnc2)c2nc3ccccc3s2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.