Using NCCCCN1CCC(C(O)(c2ccccc2)c2ccccc2)CC1, O=C(O)COc1cccnc1 to produce O=C(COc1cccnc1)NCCCCN1CCC(C(O)(c2ccccc2)c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.