Using CCNC(=O)C(c1ccccc1)N1CCN(c2ccc(N)cc2F)CC1, CCN(CC)CCC(=O)O to produce CCNC(=O)C(c1ccccc1)N1CCN(c2ccc(NC(=O)CCN(CC)CC)cc2F)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.