Using O=C1CCNC(=O)N1, CCCc1c(CCCCOS(C)(=O)=O)ccc2c(C(F)(F)F)noc12 to produce CCCc1c(CCCCN2CCC(=O)NC2=O)ccc2c(C(F)(F)F)noc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.