Using O=C(n1ccnc1)n1ccnc1, O=C1CNCCN1Cc1ccc(F)cc1 to produce O=C1CN(C(=O)n2ccnc2)CCN1Cc1ccc(F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.