Using Nc1nc(-c2c(O)cccc2OCc2ccccc2)cc(C2CCCNC2)c1C=O to produce Nc1nc(-c2c(O)cccc2OCc2ccccc2)cc2c1CN1CCCC2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.