Using O=C1NC(=O)c2ccccc21, Cc1cc(CCOS(C)(=O)=O)nc(-n2c(C)ccc2C)c1 to produce Cc1cc(CCN2C(=O)c3ccccc3C2=O)nc(-n2c(C)ccc2C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.