Using CCCCCOC1CN(C(c2ccccc2)c2ccccc2)C1, O=C(O)/C=C/c1cnc2c(c1)CCC(=O)N2 to produce CCCCCOC1CN(C(=O)/C=C/c2cnc3c(c2)CCC(=O)N3)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.