Using C1COCCN1, CCCC(NC(=O)Cc1cc(F)cc(F)c1)C(=O)Nc1cn(CCOS(C)(=O)=O)cn1 to produce CCCC(NC(=O)Cc1cc(F)cc(F)c1)C(=O)Nc1cn(CCN2CCOCC2)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.