Using COc1cc(C=O)c(OCc2cccnc2-c2c(C)cnn2C2CCCCO2)cn1 to produce COc1cc(C=O)c(OCc2cccnc2-c2[nH]ncc2C)cn1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.