Using Cn1c(CCCO)nc2ccccc21, Cn1cc(O)c(=O)c(-c2ccnn2-c2ccccc2)n1 to produce Cn1cc(OCCCc2nc3ccccc3n2C)c(=O)c(-c2ccnn2-c2ccccc2)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.