Using CSC(OC(O)=S)(c1ccccn1)C1CN(C(=O)OC(C)(C)C)C1 to produce CC(C)(C)OC(=O)N1CC(Cc2ccccn2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.