Using CC(C)(C)OC(=O)N1CCOC(CN2c3ccccc3N(c3ccccc3)S2(=O)=O)C1 to produce O=S1(=O)N(CC2CNCCO2)c2ccccc2N1c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.