Using C1CCNC1, OC1(c2cccnc2F)CCN(CC23CC(c4ccccc42)c2ccccc23)CC1 to produce OC1(c2cccnc2N2CCCC2)CCN(CC23CC(c4ccccc42)c2ccccc23)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.