Using OC1C2CCN(CC2)C1CN1CCCCC1, CNc1cc(OC)c(C(=O)n2ccnc2)cc1Cl to produce CNc1cc(OC)c(C(=O)OC2C3CCN(CC3)C2CN2CCCCC2)cc1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.