Using CC(C)(C)OC(=O)N1CCS(=O)(=O)C(CNc2nc(-c3ccc(N4CCOCC4)cc3)cc3nccnc23)C1 to produce O=S1(=O)CCNCC1CNc1nc(-c2ccc(N3CCOCC3)cc2)cc2nccnc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.