Using CN, COC(OC)c1nc2c(cc1COS(C)(=O)=O)CCCN2C(=O)Nc1cc(OC(C)C)c(C#N)cn1 to produce CNCc1cc2c(nc1C(OC)OC)N(C(=O)Nc1cc(OC(C)C)c(C#N)cn1)CCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.